style(theme): 客户端切换深色视觉风格

lib/pages/player/widgets/player_overlay.dart

@@ -18,7 +18,7 @@ const double _topBarHeight = 58;
 const double _boostHintIconSize = 16;
 const double _boostHintFontSize = 13;
 const List<Shadow> _playerTextShadows = [
-  Shadow(color: Colors.black54, blurRadius: 5, offset: Offset(0, 1)),
+  Shadow(color: AppColors.shadow, blurRadius: 5, offset: Offset(0, 1)),
 ];
 
 /// K29 竖屏播放页浮层。
@@ -270,7 +270,7 @@ class PlayerPlaybackOverlay extends StatelessWidget {
         thumbnailsUrl: data.episode.thumbnailsUrl,
         episodeId: data.episode.id,
         posterUrl: data.drama.posterUrl,
-        inactiveTrackColor: Colors.white24,
+        inactiveTrackColor: AppColors.inactiveTrack,
         onScrubStart: actions.onScrubStart,
         onSeek: actions.onSeek,
       ),
@@ -279,7 +279,7 @@ class PlayerPlaybackOverlay extends StatelessWidget {
 
   Widget _detailRow(String series) {
     return Material(
-      color: Colors.transparent,
+      color: AppColors.transparent,
       child: InkWell(
         key: const Key('player-open-detail'),
         onTap: actions.onDetail,